Is the strength of gravity really CONSTANT? | Solving the crisis in cosmology
29:50
All the evidence we have for dark matter | A century's worth of science history
16:36
JWST just made the "Crisis in Cosmology" WORSE
11:51
Does Time Cause Gravity?
19:54
Was Einstein "wrong"? | Testing new theories of gravity
24:26
How did we measure the fastest speed there is? | The History of the Speed of Light Part I
17:16
The 5 types of BLACK HOLES
16:42
How does Mercury's orbit prove General Relativity?
18:04